/* 全局样式 */

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

/* 通用按钮样式 */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn-primary {
  background-color: #42b983;
  color: white;
}

.btn-primary:hover {
  background-color: #359c6d;
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-danger {
  background-color: #e91e63;
  color: white;
}

.btn-danger:hover {
  background-color: #c2185b;
}

/* 通用卡片样式 */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 1.5rem;
}

/* 响应式断点 */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .btn {
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.5rem;
  }
  
  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}